Which size or configuration labels have geometry for the 2012 Trek Lexa S (Triple)?

Geometry is listed for 47, 50, 52, 54, and 56.

What are the reach and stack of the 2012 Trek Lexa S (Triple) in size 52?

In size 52, reach is 371 mm and stack is 559 mm.

What is the head tube angle of the 2012 Trek Lexa S (Triple)?

The head tube angle is 72.1 degrees in size 52.

What does the 2012 Trek Lexa S (Triple) ship with?

The stock build includes Trek Alpha, Bontrager Approved, Shimano Sora, and Bontrager T1.

Which years of the Trek Lexa S (Triple) are on Quiver?

Quiver has the Trek Lexa S (Triple) for 2012 and 2013.

2012

2012 Trek Lexa S (Triple)

Reach 364 to 377 mm, stack 525 to 591 mm. The Lexa S (Triple) build comes with Shimano Sora shifting and Bontrager T1 tires.

Compare geometry

Source: trekbikes.com. Checked Oct 12, 2026.

Key facts

Brand: Trek
Model: Lexa S (Triple)
Model year: 2012
Geometry labels: 47, 50, 52, 54, and 56
Drivetrain: Shimano Sora
Fork: Bontrager Approved
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 12, 2026

Geometry by size

2012 Trek Lexa S (Triple) geometry by size
Measurement	47	50	52	54	56
Reach(mm)	364	368	371	374	377
Stack(mm)	525	542	559	573	591
Head tube angle(°)	71.0	71.9	72.1	72.6	73.3
Effective top tube(mm)	509	517	529	541	554
Chainstay length(mm)	410	410	410	410	410
Wheelbase(mm)	976	977	979	983	979
BB drop(mm)	72	72	72	70	70
Standover(mm)	691	709	733	755	779
Seat tube length(mm)	428	459	490	515	546
Head tube length(mm)	125	140	155	170	185

How to read a geometry chart

Stock build

12 parts

Frame

Trek Alpha

Frame

Suspension

Bontrager Approved

Fork

Drivetrain

Shimano Sora

Shifter

Shimano Sora

DerailleurMaximum cog 34 t

Shimano Tiagra

DerailleurMaximum cog 32 tActuation type Mechanical

SRAM PG-950

CassetteSpeeds 9

FSA Vero

Crankset

Wheels & Tires

Bontrager T1

Tire

Cockpit

Bontrager VR-S

Handlebar

Bontrager SSR

Stem

Seatpost & Saddle

Bontrager SSR

Seatpost

Bontrager Affinity 1 WSD

Saddle

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Manufacturer

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Quick answers

Which size or configuration labels have geometry for the 2012 Trek Lexa S (Triple)?: Geometry is listed for 47, 50, 52, 54, and 56.
What are the reach and stack of the 2012 Trek Lexa S (Triple) in size 52?: In size 52, reach is 371 mm and stack is 559 mm.
What is the head tube angle of the 2012 Trek Lexa S (Triple)?: The head tube angle is 72.1 degrees in size 52.
What does the 2012 Trek Lexa S (Triple) ship with?: The stock build includes Trek Alpha, Bontrager Approved, Shimano Sora, and Bontrager T1.
Which years of the Trek Lexa S (Triple) are on Quiver?: Quiver has the Trek Lexa S (Triple) for 2012 and 2013.